nitrogen6*_defconfig: switch to zImage

As now using zImage/bootz in the 6x_bootscript.

Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

configs/nitrogen6sx_defconfig

@@ -31,7 +31,7 @@ BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
 # Last version of branch boundary-imx_3.14.28_1.0.0_ga
 BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/linux-imx6/tarball/3417c66/linux-imx6-3417c66.tar.gz"
 BR2_LINUX_KERNEL_DEFCONFIG="nitrogen6x"
+BR2_LINUX_KERNEL_ZIMAGE=y
 BR2_LINUX_KERNEL_INSTALL_TARGET=y
-BR2_LINUX_KERNEL_UIMAGE_LOADADDR="0x80008000"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="imx6sx-nitrogen6sx"

configs/nitrogen6x_defconfig

@@ -31,7 +31,7 @@ BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
 # Last version of branch boundary-imx_3.14.28_1.0.0_ga
 BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/linux-imx6/tarball/3417c66/linux-imx6-3417c66.tar.gz"
 BR2_LINUX_KERNEL_DEFCONFIG="nitrogen6x"
+BR2_LINUX_KERNEL_ZIMAGE=y
 BR2_LINUX_KERNEL_INSTALL_TARGET=y
-BR2_LINUX_KERNEL_UIMAGE_LOADADDR="0x10008000"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="imx6dl-nit6xlite imx6dl-nitrogen6_vm imx6dl-nitrogen6x imx6q-nitrogen6x imx6q-nitrogen6_max imx6q-sabrelite"